{-# LANGUAGE MultiParamTypeClasses, FlexibleInstances, FunctionalDependencies, DataKinds, TypeFamilies #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module Database.PostgreSQL.Typed.Inet where
import Control.Monad (void, guard, liftM2)
import qualified Data.ByteString.Char8 as BSC
import Data.Bits (shiftL, (.|.))
import Data.Maybe (fromJust)
import Data.Word (Word8, Word16, Word32)
import Foreign.Marshal.Array (withArray)
import Foreign.Ptr (castPtr)
import Foreign.Storable (peek)
import qualified Network.Socket as Net
import Numeric (readDec, readHex)
import System.IO.Unsafe (unsafeDupablePerformIO)
import qualified Text.ParserCombinators.ReadP as RP
import qualified Text.ParserCombinators.ReadPrec as RP (lift)
import Text.Read (Read(readPrec))
import Database.PostgreSQL.Typed.Types
data PGInet
= PGInet
{ PGInet -> HostAddress
pgInetAddr :: !Net.HostAddress
, PGInet -> Word8
pgInetMask :: !Word8
}
| PGInet6
{ PGInet -> HostAddress6
pgInetAddr6 :: !Net.HostAddress6
, pgInetMask :: !Word8
}
deriving (PGInet -> PGInet -> Bool
(PGInet -> PGInet -> Bool)
-> (PGInet -> PGInet -> Bool) -> Eq PGInet
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: PGInet -> PGInet -> Bool
$c/= :: PGInet -> PGInet -> Bool
== :: PGInet -> PGInet -> Bool
$c== :: PGInet -> PGInet -> Bool
Eq)
sockAddrPGInet :: Net.SockAddr -> Maybe PGInet
sockAddrPGInet :: SockAddr -> Maybe PGInet
sockAddrPGInet (Net.SockAddrInet PortNumber
_ HostAddress
a) = PGInet -> Maybe PGInet
forall a. a -> Maybe a
Just (PGInet -> Maybe PGInet) -> PGInet -> Maybe PGInet
forall a b. (a -> b) -> a -> b
$ HostAddress -> Word8 -> PGInet
PGInet HostAddress
a Word8
32
sockAddrPGInet (Net.SockAddrInet6 PortNumber
_ HostAddress
_ HostAddress6
a HostAddress
_) = PGInet -> Maybe PGInet
forall a. a -> Maybe a
Just (PGInet -> Maybe PGInet) -> PGInet -> Maybe PGInet
forall a b. (a -> b) -> a -> b
$ HostAddress6 -> Word8 -> PGInet
PGInet6 HostAddress6
a Word8
128
sockAddrPGInet SockAddr
_ = Maybe PGInet
forall a. Maybe a
Nothing
bton32 :: (Word8, Word8, Word8, Word8) -> Word32
bton32 :: (Word8, Word8, Word8, Word8) -> HostAddress
bton32 (Word8
b1, Word8
b2, Word8
b3, Word8
b4) = IO HostAddress -> HostAddress
forall a. IO a -> a
unsafeDupablePerformIO (IO HostAddress -> HostAddress) -> IO HostAddress -> HostAddress
forall a b. (a -> b) -> a -> b
$
[Word8] -> (Ptr Word8 -> IO HostAddress) -> IO HostAddress
forall a b. Storable a => [a] -> (Ptr a -> IO b) -> IO b
withArray [Word8
b1, Word8
b2, Word8
b3, Word8
b4] (Ptr HostAddress -> IO HostAddress
forall a. Storable a => Ptr a -> IO a
peek (Ptr HostAddress -> IO HostAddress)
-> (Ptr Word8 -> Ptr HostAddress) -> Ptr Word8 -> IO HostAddress
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Ptr Word8 -> Ptr HostAddress
forall a b. Ptr a -> Ptr b
castPtr)
instance Show PGInet where
show :: PGInet -> String
show (PGInet HostAddress
a Word8
32) = Maybe String -> String
forall a. HasCallStack => Maybe a -> a
fromJust (Maybe String -> String) -> Maybe String -> String
forall a b. (a -> b) -> a -> b
$ (Maybe String, Maybe String) -> Maybe String
forall a b. (a, b) -> a
fst ((Maybe String, Maybe String) -> Maybe String)
-> (Maybe String, Maybe String) -> Maybe String
forall a b. (a -> b) -> a -> b
$ IO (Maybe String, Maybe String) -> (Maybe String, Maybe String)
forall a. IO a -> a
unsafeDupablePerformIO (IO (Maybe String, Maybe String) -> (Maybe String, Maybe String))
-> IO (Maybe String, Maybe String) -> (Maybe String, Maybe String)
forall a b. (a -> b) -> a -> b
$
[NameInfoFlag]
-> Bool -> Bool -> SockAddr -> IO (Maybe String, Maybe String)
Net.getNameInfo [NameInfoFlag
Net.NI_NUMERICHOST] Bool
True Bool
False (PortNumber -> HostAddress -> SockAddr
Net.SockAddrInet PortNumber
0 HostAddress
a)
show (PGInet HostAddress
a Word8
m) = PGInet -> String
forall a. Show a => a -> String
show (HostAddress -> Word8 -> PGInet
PGInet HostAddress
a Word8
32) String -> ShowS
forall a. [a] -> [a] -> [a]
++ Char
'/' Char -> ShowS
forall a. a -> [a] -> [a]
: Word8 -> String
forall a. Show a => a -> String
show Word8
m
show (PGInet6 HostAddress6
a Word8
128) = Maybe String -> String
forall a. HasCallStack => Maybe a -> a
fromJust (Maybe String -> String) -> Maybe String -> String
forall a b. (a -> b) -> a -> b
$ (Maybe String, Maybe String) -> Maybe String
forall a b. (a, b) -> a
fst ((Maybe String, Maybe String) -> Maybe String)
-> (Maybe String, Maybe String) -> Maybe String
forall a b. (a -> b) -> a -> b
$ IO (Maybe String, Maybe String) -> (Maybe String, Maybe String)
forall a. IO a -> a
unsafeDupablePerformIO (IO (Maybe String, Maybe String) -> (Maybe String, Maybe String))
-> IO (Maybe String, Maybe String) -> (Maybe String, Maybe String)
forall a b. (a -> b) -> a -> b
$
[NameInfoFlag]
-> Bool -> Bool -> SockAddr -> IO (Maybe String, Maybe String)
Net.getNameInfo [NameInfoFlag
Net.NI_NUMERICHOST] Bool
True Bool
False (PortNumber
-> HostAddress -> HostAddress6 -> HostAddress -> SockAddr
Net.SockAddrInet6 PortNumber
0 HostAddress
0 HostAddress6
a HostAddress
0)
show (PGInet6 HostAddress6
a Word8
m) = PGInet -> String
forall a. Show a => a -> String
show (HostAddress6 -> Word8 -> PGInet
PGInet6 HostAddress6
a Word8
128) String -> ShowS
forall a. [a] -> [a] -> [a]
++ Char
'/' Char -> ShowS
forall a. a -> [a] -> [a]
: Word8 -> String
forall a. Show a => a -> String
show Word8
m
instance Read PGInet where
readPrec :: ReadPrec PGInet
readPrec = ReadP PGInet -> ReadPrec PGInet
forall a. ReadP a -> ReadPrec a
RP.lift (ReadP PGInet -> ReadPrec PGInet)
-> ReadP PGInet -> ReadPrec PGInet
forall a b. (a -> b) -> a -> b
$ ReadP PGInet
r4 ReadP PGInet -> ReadP PGInet -> ReadP PGInet
forall a. ReadP a -> ReadP a -> ReadP a
RP.+++ ReadP PGInet
r6 where
r4i :: ReadP (Word8, Word8, Word8, Word8)
r4i = do
Word8
o1 <- ReadP Word8
rdec
Char
_ <- Char -> ReadP Char
RP.char Char
'.'
Word8
o2 <- ReadP Word8
rdec
Char
_ <- Char -> ReadP Char
RP.char Char
'.'
Word8
o3 <- ReadP Word8
rdec
Char
_ <- Char -> ReadP Char
RP.char Char
'.'
Word8
o4 <- ReadP Word8
rdec
(Word8, Word8, Word8, Word8) -> ReadP (Word8, Word8, Word8, Word8)
forall (m :: * -> *) a. Monad m => a -> m a
return (Word8
o1, Word8
o2, Word8
o3, Word8
o4)
r4 :: ReadP PGInet
r4 = do
(Word8, Word8, Word8, Word8)
q <- ReadP (Word8, Word8, Word8, Word8)
r4i
Word8
m <- Word8 -> ReadP Word8
mask Word8
32
PGInet -> ReadP PGInet
forall (m :: * -> *) a. Monad m => a -> m a
return (PGInet -> ReadP PGInet) -> PGInet -> ReadP PGInet
forall a b. (a -> b) -> a -> b
$ HostAddress -> Word8 -> PGInet
PGInet ((Word8, Word8, Word8, Word8) -> HostAddress
bton32 (Word8, Word8, Word8, Word8)
q) Word8
m
r64 :: ReadP [Word16]
r64 = do
(Word8
b1, Word8
b2, Word8
b3, Word8
b4) <- ReadP (Word8, Word8, Word8, Word8)
r4i
[Word16] -> ReadP [Word16]
forall (m :: * -> *) a. Monad m => a -> m a
return [Word8 -> Word8 -> Word16
jb Word8
b1 Word8
b2, Word8 -> Word8 -> Word16
jb Word8
b3 Word8
b4]
r6l :: Int -> ReadP [Word16]
r6l Int
0 = [Word16] -> ReadP [Word16]
forall (m :: * -> *) a. Monad m => a -> m a
return []
r6l Int
2 = ReadP ()
colon ReadP () -> ReadP [Word16] -> ReadP [Word16]
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Int -> ReadP [Word16]
r6lc Int
2 ReadP [Word16] -> ReadP [Word16] -> ReadP [Word16]
forall a. ReadP a -> ReadP a -> ReadP a
RP.+++ ReadP [Word16]
r64
r6l Int
n = ReadP ()
colon ReadP () -> ReadP [Word16] -> ReadP [Word16]
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Int -> ReadP [Word16]
r6lc Int
n
r6lc :: Int -> ReadP [Word16]
r6lc Int
n = Int -> ReadP [Word16]
r6lp Int
n ReadP [Word16] -> ReadP [Word16] -> ReadP [Word16]
forall a. ReadP a -> ReadP a -> ReadP a
RP.+++ Int -> ReadP [Word16]
r6b Int
n
r6lp :: Int -> ReadP [Word16]
r6lp Int
n = ReadP [Word16] -> ReadP [Word16]
r6w (Int -> ReadP [Word16]
r6l (Int -> Int
forall a. Enum a => a -> a
pred Int
n))
r6b :: Int -> ReadP [Word16]
r6b Int
n = do
ReadP ()
colon
[Word16]
r <- Int -> ReadP [Word16]
forall a. (Ord a, Num a, Enum a) => a -> ReadP [Word16]
r6rp (Int -> Int
forall a. Enum a => a -> a
pred Int
n) ReadP [Word16] -> ReadP [Word16] -> ReadP [Word16]
forall a. ReadP a -> ReadP a -> ReadP a
RP.<++ [Word16] -> ReadP [Word16]
forall (m :: * -> *) a. Monad m => a -> m a
return []
let l :: Int
l = [Word16] -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length [Word16]
r
[Word16] -> ReadP [Word16]
forall (m :: * -> *) a. Monad m => a -> m a
return ([Word16] -> ReadP [Word16]) -> [Word16] -> ReadP [Word16]
forall a b. (a -> b) -> a -> b
$ Int -> Word16 -> [Word16]
forall a. Int -> a -> [a]
replicate (Int
n Int -> Int -> Int
forall a. Num a => a -> a -> a
- Int
l) Word16
0 [Word16] -> [Word16] -> [Word16]
forall a. [a] -> [a] -> [a]
++ [Word16]
r
r6r :: a -> ReadP [Word16]
r6r a
0 = [Word16] -> ReadP [Word16]
forall (m :: * -> *) a. Monad m => a -> m a
return []
r6r a
n = (ReadP ()
colon ReadP () -> ReadP [Word16] -> ReadP [Word16]
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> a -> ReadP [Word16]
r6rp a
n) ReadP [Word16] -> ReadP [Word16] -> ReadP [Word16]
forall a. ReadP a -> ReadP a -> ReadP a
RP.<++ [Word16] -> ReadP [Word16]
forall (m :: * -> *) a. Monad m => a -> m a
return []
r6rp :: a -> ReadP [Word16]
r6rp a
n
| a
n a -> a -> Bool
forall a. Ord a => a -> a -> Bool
>= a
2 = a -> ReadP [Word16]
r6rc a
n ReadP [Word16] -> ReadP [Word16] -> ReadP [Word16]
forall a. ReadP a -> ReadP a -> ReadP a
RP.+++ ReadP [Word16]
r64
| Bool
otherwise = a -> ReadP [Word16]
r6rc a
n
r6rc :: a -> ReadP [Word16]
r6rc a
n = ReadP [Word16] -> ReadP [Word16]
r6w (a -> ReadP [Word16]
r6r (a -> a
forall a. Enum a => a -> a
pred a
n))
r6w :: ReadP [Word16] -> ReadP [Word16]
r6w = (Word16 -> [Word16] -> [Word16])
-> ReadP Word16 -> ReadP [Word16] -> ReadP [Word16]
forall (m :: * -> *) a1 a2 r.
Monad m =>
(a1 -> a2 -> r) -> m a1 -> m a2 -> m r
liftM2 (:) ReadP Word16
rhex
r6 :: ReadP PGInet
r6 = do
[Word16
w1, Word16
w2, Word16
w3, Word16
w4, Word16
w5, Word16
w6, Word16
w7, Word16
w8] <- Int -> ReadP [Word16]
r6lp Int
8 ReadP [Word16] -> ReadP [Word16] -> ReadP [Word16]
forall a. ReadP a -> ReadP a -> ReadP a
RP.<++ (ReadP ()
colon ReadP () -> ReadP [Word16] -> ReadP [Word16]
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Int -> ReadP [Word16]
r6b Int
8)
Word8
m <- Word8 -> ReadP Word8
mask Word8
128
PGInet -> ReadP PGInet
forall (m :: * -> *) a. Monad m => a -> m a
return (PGInet -> ReadP PGInet) -> PGInet -> ReadP PGInet
forall a b. (a -> b) -> a -> b
$ HostAddress6 -> Word8 -> PGInet
PGInet6 (Word16 -> Word16 -> HostAddress
jw Word16
w1 Word16
w2, Word16 -> Word16 -> HostAddress
jw Word16
w3 Word16
w4, Word16 -> Word16 -> HostAddress
jw Word16
w5 Word16
w6, Word16 -> Word16 -> HostAddress
jw Word16
w7 Word16
w8) Word8
m
colon :: ReadP ()
colon = ReadP Char -> ReadP ()
forall (f :: * -> *) a. Functor f => f a -> f ()
void (ReadP Char -> ReadP ()) -> ReadP Char -> ReadP ()
forall a b. (a -> b) -> a -> b
$ Char -> ReadP Char
RP.char Char
':'
mask :: Word8 -> ReadP Word8
mask Word8
m = Word8 -> ReadP Word8 -> ReadP Word8
forall a. a -> ReadP a -> ReadP a
RP.option Word8
m (ReadP Word8 -> ReadP Word8) -> ReadP Word8 -> ReadP Word8
forall a b. (a -> b) -> a -> b
$ do
Char
_ <- Char -> ReadP Char
RP.char Char
'/'
Word8
n <- ReadP Word8
rdec
Bool -> ReadP ()
forall (f :: * -> *). Alternative f => Bool -> f ()
guard (Word8
n Word8 -> Word8 -> Bool
forall a. Ord a => a -> a -> Bool
<= Word8
m)
Word8 -> ReadP Word8
forall (m :: * -> *) a. Monad m => a -> m a
return Word8
n
rdec :: RP.ReadP Word8
rdec :: ReadP Word8
rdec = ReadS Word8 -> ReadP Word8
forall a. ReadS a -> ReadP a
RP.readS_to_P ReadS Word8
forall a. (Eq a, Num a) => ReadS a
readDec
rhex :: RP.ReadP Word16
rhex :: ReadP Word16
rhex = ReadS Word16 -> ReadP Word16
forall a. ReadS a -> ReadP a
RP.readS_to_P ReadS Word16
forall a. (Eq a, Num a) => ReadS a
readHex
jw :: Word16 -> Word16 -> Word32
jw :: Word16 -> Word16 -> HostAddress
jw Word16
x Word16
y = Word16 -> HostAddress
forall a b. (Integral a, Num b) => a -> b
fromIntegral Word16
x HostAddress -> Int -> HostAddress
forall a. Bits a => a -> Int -> a
`shiftL` Int
16 HostAddress -> HostAddress -> HostAddress
forall a. Bits a => a -> a -> a
.|. Word16 -> HostAddress
forall a b. (Integral a, Num b) => a -> b
fromIntegral Word16
y
jb :: Word8 -> Word8 -> Word16
jb :: Word8 -> Word8 -> Word16
jb Word8
x Word8
y = Word8 -> Word16
forall a b. (Integral a, Num b) => a -> b
fromIntegral Word8
x Word16 -> Int -> Word16
forall a. Bits a => a -> Int -> a
`shiftL` Int
8 Word16 -> Word16 -> Word16
forall a. Bits a => a -> a -> a
.|. Word8 -> Word16
forall a b. (Integral a, Num b) => a -> b
fromIntegral Word8
y
instance PGType "inet" where
type PGVal "inet" = PGInet
instance PGType "cidr" where
type PGVal "cidr" = PGInet
instance PGParameter "inet" PGInet where
pgEncode :: PGTypeID "inet" -> PGInet -> PGTextValue
pgEncode PGTypeID "inet"
_ = String -> PGTextValue
BSC.pack (String -> PGTextValue)
-> (PGInet -> String) -> PGInet -> PGTextValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PGInet -> String
forall a. Show a => a -> String
show
instance PGParameter "cidr" PGInet where
pgEncode :: PGTypeID "cidr" -> PGInet -> PGTextValue
pgEncode PGTypeID "cidr"
_ = String -> PGTextValue
BSC.pack (String -> PGTextValue)
-> (PGInet -> String) -> PGInet -> PGTextValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PGInet -> String
forall a. Show a => a -> String
show
instance PGColumn "inet" PGInet where
pgDecode :: PGTypeID "inet" -> PGTextValue -> PGInet
pgDecode PGTypeID "inet"
_ = String -> PGInet
forall a. Read a => String -> a
read (String -> PGInet)
-> (PGTextValue -> String) -> PGTextValue -> PGInet
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PGTextValue -> String
BSC.unpack
instance PGColumn "cidr" PGInet where
pgDecode :: PGTypeID "cidr" -> PGTextValue -> PGInet
pgDecode PGTypeID "cidr"
_ = String -> PGInet
forall a. Read a => String -> a
read (String -> PGInet)
-> (PGTextValue -> String) -> PGTextValue -> PGInet
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PGTextValue -> String
BSC.unpack